CAT40 3/4" x 2" Dual Contact Face Mill Tool Holder G2.5 20000 RPM New P[

2.5" 75 Degree Face Mill APMT Insert 2" Indexable Coolant Thru 45 Degree Face Mill SEHT Insert CAT40 5/8-11 45 Pull Stud Retention Knob for Haas Kitamura Miyano. We use SCM420 alloy steel to lay the foundation and case harden to RC 57-59 with a core of RC 34-39 to provide good core strength and maximize wear life.

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